<!DOCTYPE html>
<html>
 	<head>
 	 <meta charset="utf-8">
  		<title>CSS嵌入式，使用内部样式定义</title>
  			<style type="text/css">
			   img{
			    width:200px;
			    height:200px;
			   }
			   span{
			    font-family:"times new roman";
			    font-weight:bold;
			    color:#008000;
			    font-size:100px;
			    position:relative;
			    bottom:63px;
			   }
 			</style>
 	</head>
 	<body>
 		<img src="https://scpic.chinaz.net/files/pic/pic9/201905/zzpic18157.jpg">
  		<span>NO SMOKING</span>
 	</body>
</html>